课题Unit3Scienceversusnature课时9-1Welcome主备人Swan授课时间2007.9教学目标Enablethestudentstoknowsomethingaboutcloning,andgivetheirownopinionsaboutcloning.Helpthestudentslearnhowtodescribetheadvantagesanddisadvantagesofhumancloningwiththetargetlanguage.教学重、难点Talkaboutcloningandhumancloning.Howtodescribetheadvantagesanddisadvantagesofhumancloning.教、学具Aprojector.预习要求教师活动内容、方式学生活动内容、方式旁注StepILead-inWalkintotheclassroomwithasadface.T:Goodmorning,class.Ss:Goodmorning,MissWang.T：What’sclone?S1:Cloningisoneofthemostpopulartechnologiesinthe20thcentury.T：Whatothertechnologiesdowehaveinrecentyears?S:Maybethemostinfluentialtechnologyiscomputerscience,whichhascontributedalottooursocietyinmanyfields.Now,formostofus,wecan’tlivewithoutcomputers.T:Youareright.Justnowyoumentionedcloning.Nowlet’sseesomepictures.Showthepicturesonthetextbookonthescreen.StepIIWelcometotheunitT:Herearesixpictures.Theyareallclones.Maybeall用心爱心专心ofyouarefamiliarwithDolly,aren’tyou?Ss:Yeah.T:WhereandwhenwasDollyborn?Isshestillalive?WhocangiveussomeinformationaboutDolly?S:DollythesheepwasbornonFebruary24,1997inEdinburghScotland.Shewasclonedfromacellofanothersheep.DollydiedinFebruary,2003,afterdevelopingaprogressivelungdisease.StepIIIDiscussionDealwiththequestionsinactivityF.Severalminuteslater,asksomepairstodemonstratetheirconversations.Wecan’tattempttochangesomethinginthenature,orwe’llbepunished!Soweshouldtryourbesttobuildasocietyinharmonywithnatureinsteadofagainstnature.StepIVHomeworkPreviewthetextonP42.SearchtheInternetforinformationaboutcloning课题Unit3Scienceversusnature课时9-2Reading主备人Swan授课时间2007.9教学目标Enablethestudentstolearndifferentopinionsoncloning.Helpthestudentstolearnhowtounderstandscientifictermsandanalyze用心爱心专心thepassageaccordingtothereadingstrategy.教学重、难点Howtounderstandthewriter’spointofview.Howtounderstandthescientificterms.教、学具Ataperecorder,aprojectorandacomputer.预习要求workbook教师活动内容、方式学生活动内容、方式旁注StepIRevisionCheckthehomework:AsksomestudentstosharetheirinformationaboutcloningfoundontheInternet.StepIILead-inT:Good.Ithinkyoureallydidalotofworkafterclass.Thankyouverymuch.TodayIwouldliketointroduceafamousguytoyoufirst.Lookatthescreenplease.ShowapictureofFrankensteinmonsteronthescreen.StepIIIPre-readingInthisprocedure,studentswilldofastreadingandanswerthequestionsinactivityA.After2minutes,askstudentstoreporttheiranswers.Suggestedanswer:1.Thearticlegivesboththeanti-andpro-cloningpointofview.2.ItsnamewasDolly.3.Obviouslysheisanti-cloning.StepIVSkimmingInthisprocedure,encouragethestudentstodeveloptheirpredictiveskillbyreadingthebeginningandtheendingtoguessasmuchastheycanaboutthepassageandunderstandthemeaningofthetextasawhole.StepVScanningWhilescanning,theteachershouldplaythetapeforthestudents.Thestudentschecktheirpredictionsandbuildanoutlineofthetextintheirminds.After3minutes,checktheanswers.Askseveralstudentstotellthemainideaofeachparagraph.Thenshowthefollowing.ParagraphMainideaPara1AnannouncementabouthumanembryocloningwhichhascausedmuchdebatePara2Explaincloningasawonderfulscientific用心爱心专心breakthroughandgivetheexampleofDollyPara3Dolly’screator’sopinionabouthumancloningPara4Asaleswomansupportscloningverymuchforherpersonalpurpose.Para5Somescientistsarepushingaheadwiththeresearchtoclonehuman.Para6Th...
